| 摘要 |
A self-erecting scaffolding system comprises a scaffold unit, two pairs of support rods rotatably attached to opposite sides of the scaffold unit and a springs unit. The scaffold unit can be lowered by rotating the support rods away from each other, or elevated by rotating the support rods toward each other until a maximum elevation is achieved when the support rods are vertical. Springs in the springs unit are loaded or compressed when the scaffold unit is lowered, and subsequently the springs exert a force striving to erect the scaffold unit. The support rods are detachably attached to the scaffold unit. The springs are each detachably attached between the scaffold unit and one of the support rods. |
